Three-dimensional computer modelling of ore body geometry 矿体空间形态计算机三维几何模型的研究
Secondly, infinite analysis ' physical model constructing such as constraint, loading, meshing about the valve body geometry model is carried out with ANSYS infinite software, and the intensity is analyzed to gain stress distribution and deformed state of valve body. 其次,应用ANSYS有限元软件对阀体几何模型进行约束、加载、划分网格等有限元分析的物理模型建立,并进行强度分析,得到阀体的应力分布和变形情况。
Aiming at the real-time requirement of video surveillance system in security and defence environment, a rapid method of face center extraction based on skin segmentation and human body geometry characteristic is proposed. 针对安防环境下监控系统的实时性要求,本文提出了一种基于肤色分割和人体特征相结合的快速人脸检测方法。
The present numerical results further illustrate that the present approach is very effective and accurate for calculating stress intensity factors of complex cracks in a finite plate and can reveal the effect of the cracked body geometry on stress intensity factors. 本数值结果进一步证实这种数值方法对计算有限大板中复杂裂纹的应力强度因子的有效性,同时该数值结果可以揭示裂纹体几何对应力强度因子的影响。
Panel methods are common and efficient numerical methods for potential problem, among them the higher order panel method has the advantage that the body geometry and singularity strength distribution over the boundary surface are continuous up to some order. 面元法是求解势流问题的一种最常用、最有效的数值方法,其中高阶面元法具有所物面几何以及物面上分布的奇点强度具有一定阶的连续性等优点。